Difference between revisions of "Equipment/Denning"

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(these services have moved from boole)
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Runs zone minder and has a not very good 4 port TV [http://www.zoneminder.com/wiki/index.php/Pico2000 capture card] in it, currently connected to the 3 yard cameras and the rear lobby camera.
 
Runs zone minder and has a not very good 4 port TV [http://www.zoneminder.com/wiki/index.php/Pico2000 capture card] in it, currently connected to the 3 yard cameras and the rear lobby camera.
 +
 +
Also a netboot server, provides:
 +
 +
* Diskless i386 and amd64 debian wheezy
 +
* Rescue and Install for debian wheezy.
 +
* partition magic
 +
* memtest
 +
* [http://www.dban.org/ dban]
 +
* [http://linux.voyage.hk/ Voyage] (a minimised debian disto that can run from readonly media) '''Warning''' : the Voyage auto install kernel will '''reformat''' things they are booted on ''without prompting''.
 +
 +
Also runs [http://www.ansibleworks.com/docs/intro_getting_started.html ansible] for setting up machines in the space.
 +
  
 
== Issues ==
 
== Issues ==
  
 
Has only a single mechanical harddrive so vulnerable to data loss.
 
Has only a single mechanical harddrive so vulnerable to data loss.
 +
 +
== using Ansible with a Rasbperry Pi ==
 +
 +
<nowiki>
 +
dd raspbian image (use the 02-09 one to avoid usb issues)
 +
boot pi
 +
watch dhcp logs on boole
 +
ssh pi@ip
 +
passwd: raspberry
 +
 +
sudo raspi-config
 +
update it
 +
expand filesystem
 +
change password
 +
boot to console
 +
advanced options -> hostname
 +
 +
cd /etc/network
 +
edit interfaces to get a static ip
 +
reboot
 +
 +
log into boole with ssh keys forwarded
 +
 +
add hostname to dns
 +
add hostname to /etc/ansible/hosts in both the [lhshosts] and [rpis]
 +
sections, and [doorbot] if it's a doorbot, make the syslocation="something sensible"
 +
 +
then:
 +
 +
if it's a replacement for an old machine then:
 +
 +
ssh-keygen -R hostname
 +
ssh-keygen -R hostname.lan.london.hackspace.org.uk
 +
ssh-keygen -R ipv4 address (?)
 +
ssh-keygen -R ipv6 address (?)
 +
 +
then:
 +
 +
cd /etc/ansible
 +
ansible -v -s -u pi -k  -m command -a "apt-get -y install python-apt" "hostname"
 +
ansible-playbook -u pi -s -k -l "hostname" lhs/site.yml
 +
 +
The 2nd one will add our users, ssh keys, packages, etc etc.
 +
 +
notes:
 +
 +
not sure how resolv.conf gets setup, I thought having:
 +
 +
iface eth0 inet static
 +
        [...]
 +
        dns-nameservers 172.31.24.2
 +
        dns-search lan.london.hackspace.org.uk
 +
 +
Would sort it, but maybe that dosn't and we got lucky from dhcp?
 +
 +
The dns stuff in /etc/network/interfaces appears to be bogus and resolv.conf needs to be
 +
done manually, add to ansible.
 +
 +
</nowiki>

Revision as of 18:46, 4 January 2014

Denning
Hackspace Unknown.png
Model Nexcom DNA1110
Sub-category Systems
Status Good working order
Last updated 8 December 2019 18:20:33
Training requirement yes
Training link Unknown
ACnode no
Owner LHS
Origin donation from Tgreer
Maintainers Sysadmin team

Denning

Runs the non-vital services that used to run on Boole. Might get used for other stuff as well. Same hardware as Boole

Runs zone minder and has a not very good 4 port TV capture card in it, currently connected to the 3 yard cameras and the rear lobby camera.

Also a netboot server, provides:

  • Diskless i386 and amd64 debian wheezy
  • Rescue and Install for debian wheezy.
  • partition magic
  • memtest
  • dban
  • Voyage (a minimised debian disto that can run from readonly media) Warning : the Voyage auto install kernel will reformat things they are booted on without prompting.

Also runs ansible for setting up machines in the space.


Issues

Has only a single mechanical harddrive so vulnerable to data loss.

using Ansible with a Rasbperry Pi

dd raspbian image (use the 02-09 one to avoid usb issues)
boot pi
watch dhcp logs on boole
ssh pi@ip
passwd: raspberry

sudo raspi-config
update it
expand filesystem
change password
boot to console
advanced options -> hostname

cd /etc/network
edit interfaces to get a static ip
reboot

log into boole with ssh keys forwarded

add hostname to dns
add hostname to /etc/ansible/hosts in both the [lhshosts] and [rpis]
sections, and [doorbot] if it's a doorbot, make the syslocation="something sensible"

then:

if it's a replacement for an old machine then:

ssh-keygen -R hostname
ssh-keygen -R hostname.lan.london.hackspace.org.uk
ssh-keygen -R ipv4 address (?)
ssh-keygen -R ipv6 address (?)

then:

cd /etc/ansible
ansible -v -s -u pi -k  -m command -a "apt-get -y install python-apt" "hostname"
ansible-playbook -u pi -s -k -l "hostname" lhs/site.yml

The 2nd one will add our users, ssh keys, packages, etc etc.

notes:

not sure how resolv.conf gets setup, I thought having:

iface eth0 inet static
        [...]
        dns-nameservers 172.31.24.2
        dns-search lan.london.hackspace.org.uk

Would sort it, but maybe that dosn't and we got lucky from dhcp?

The dns stuff in /etc/network/interfaces appears to be bogus and resolv.conf needs to be
done manually, add to ansible.